VirtualBox

Opened 13 years ago

Closed 11 years ago

#7764 closed defect (fixed)

Guest system stuck in IOWAIT for tens of seconds periodically — at Version 3

Reported by: Peter Waller Owned by:
Component: virtual disk Version: VirtualBox 3.2.10
Keywords: fsync IOWAIT Cc:
Guest type: Linux Host type: Windows

Description (last modified by aeichner)

My experience using VirtualBox is significantly degraded because many times a day (sometimes more often than others), the whole virtual machine (or individual programs) will freeze, sometimes for as long a as a minute. In the system monitor I could see that the system was in IOWAIT, so I ran latencytop.

I have attached a screenshot for one of the shorter freezes, but I have seen the wait as long as 45,000 seconds.

Change History (5)

by Peter Waller, 13 years ago

Virtualbox Log

by Peter Waller, 13 years ago

Screenshot from LatencyTop

in reply to:  description comment:1 by Peter Waller, 13 years ago

Replying to pwaller:

I have attached a screenshot for one of the shorter freezes, but I have seen the wait as long as 45,000 seconds.

Typo: I meant milliseconds here.

comment:2 by Peter Waller, 13 years ago

I should also have mentioned the guest system is, and the guest is Windows 7.

$ uname -srvmpio Linux 2.6.35-23-generic # 40-Ubuntu SMP Wed Nov 17 22:14:33 UTC 2010 x86_64 unknown unknown GNU/Linux

comment:3 by aeichner, 11 years ago

Description: modified (diff)
Resolution: fixed
Status: newclosed

Closing, please reopen if still relevant with the latest VirtualBox release.

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